Nothing is more frustrating then being unable to use your email.  If there were any delivery problems after you sent an email, it will be returned to you with a specific error (or bounceback message).

Some bounce back messages are easy to understand. For example:

  • Inbox is Full
    If the bounce back message indicates something similar to, "Inbox is full" or "Quota exceeded", then you've sent an email to someone whose email account is full. That receiving user will need to resolve that issue with their email provider. Deleting old emails or increasing the inbox quota will usually resolve this.
  • Email Account/User Does not exist
    If you receive an error stating the email account (may be referred to as user) you sent to does not exist, double check your spelling of the email address as misspellings are common.
  • IP Address is Blacklisted/Blocked
    The bounce back message will typically refer to an IP address being blocked and will usually provide a url with more information as well. We ask that these types of bounce back messages be forwarded to us at This email address is being protected from spambots. You need JavaScript enabled to view it. so that we can assist you in resolving this issue. You can also confirm whether your IP address or domain name is blocked by using our free online blacklist checker.
  • Greylisting/Message Deferred
    Typical messages due to greylisting will usually refer to an email message being "deferred." Greylisting is a methodology utilized by some mail servers to deter spam. If you send a message to a server that uses greylisting and you are not on that server's whitelist the receiving server will "temporarily reject" that message and will often return a message that is formatted very similar to a bounce back but will list the error as temporary instead of permanent. The sending server will attempt to resend the message at a later time, but the recipient will experience a delay in receiving the message. The best way to avoid greylisting is to ask anyone who uses greylisting on their server to add you to their whitelist so they can receive messages from you without delay.
  • Send Limit Exceeded
    On all of our servers, the number of emails that can be sent per hour is limited to 250 per hour with a additional limitation of 50 recipients per message (this includes To:, Cc: and Bcc: fields).  If you attempt to exceed that amount you will receive a bounce back that will say something similar to: "Domain domain.com has exceeded the max emails per hour (250) allowed. Message discarded." If you would like to request that this amount be increased, you can make that request that within your AMP account, following the steps in our article Email Limit Exception Request in AMP.

Not all bounce back messages will be so straight forward. Sometimes the bounce back message may contain technical jargon that you don't understand. Other times the email may have bounced for reasons out of your control. If you have questions about why your email was returned to you, please forward the full bounce back message to This email address is being protected from spambots. You need JavaScript enabled to view it. , and we will be more than happy to review further.

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Comments

2013-10-20 6:33 am
good thank

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